/* Header-specific enhancements building on base.css */

.site-logo-text {
  font-size: var(--font-size-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Primary navigation layout */
.nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item-cta {
  margin-left: var(--space-8);
}

.nav-cta {
  font-size: var(--font-size-xs);
  padding-inline: 1.1rem;
  padding-block: 0.55rem;
}

/* Mobile navigation toggle */
.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(15, 23, 42, 0.9);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.25rem;
  cursor: pointer;
  color: inherit;
  position: relative;
  z-index: 1002;
}

.nav-toggle-bar {
  width: 1.25rem;
  height: 2px;
  border-radius: 999px;
  background: var(--gray-100);
  transition: transform var(--transition-base), opacity var(--transition-base), background-color var(--transition-base);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Mobile state (menu open) */
.nav--open {
  opacity: 1 !important;
  visibility: visible !important;
  max-height: 100vh !important;
  pointer-events: auto !important;
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Responsive behaviour */
@media (max-width: 900px) {
  .site-header {
    position: relative;
    z-index: 1000;
  }

  .site-header-inner {
    gap: var(--space-6);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin-left: 0;
    background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.22), transparent 55%),
    rgba(15, 23, 42, 0.98);
    border-bottom: 1px solid rgba(15, 23, 42, 0.95);
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 1001;
    transition: opacity var(--transition-base), visibility var(--transition-base), max-height var(--transition-slow);
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-8);
    gap: var(--space-4);
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 0.5rem 0;
  }

  .nav-item-cta {
    margin-left: 0;
    margin-top: var(--space-4);
    width: 100%;
  }

  .nav-cta {
    width: 100%;
    justify-content: center;
    display: inline-flex;
  }
}

@media (min-width: 901px) {
  .nav {
    position: static;
    opacity: 1;
    visibility: visible;
    max-height: none;
    overflow: visible;
    pointer-events: auto;
    z-index: auto;
  }
}

/* Improve hit area for nav links */
.nav-link {
  padding-inline: 0.1rem;
}

.nav-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}